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Potential Field, Geoelectrical and Reflection Seismic Investigations for Massive Sulphide Exploration in the Skellefte Mining District, Northern Sweden
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
Department of Earth Sciences, Division of Geophysics, Uppsala University .
Department of Earth Sciences, Division of Geophysics, Uppsala University .
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
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Number of Authors: 6
2016 (English)In: Acta Geophysica, ISSN 1895-6572, E-ISSN 1895-7455, Vol. 64, no 6, 2171-2199 p.Article in journal (Refereed) Published
Abstract [en]

Multi-scale geophysical studies were conducted in the central Skellefte district (CSD) in order to delineate the geometry of the upper crust (down to maximum ∼ 4.5 km depth) for prospecting volcanic massive sulphide (VMS) mineralization. These geophysical investigations include potential field, resistivity/induced polarization (IP), reflection seismic and magnetotelluric (MT) data which were collected between 2009 and 2010. The interpretations were divided in two scales: (i) shallow (∼ 1.5 km) and (ii) deep (∼4.5 km). Physical properties of the rocks, including density, magnetic susceptibility, resistivity and chargeability, were also used to improve interpretations. The study result delineates the geometry of the upper crust in the CSD and new models were suggested based on new and joint geophysical interpretation which can benefit VMS prospecting in the area. The result also indicates that a strongly conductive zone detected by resistivity/IP data may have been missed using other geophysical data.

Place, publisher, year, edition, pages
2016. Vol. 64, no 6, 2171-2199 p.
National Category
Geophysics
Research subject
Exploration Geophysics
Identifiers
URN: urn:nbn:se:ltu:diva-61500DOI: 10.1515/acgeo-2016-0088ISI: 000391967700009Scopus ID: 2-s2.0-85008870575OAI: oai:DiVA.org:ltu-61500DiVA: diva2:1066379
Note

Validerad; 2017; Nivå 1; 2017-01-18 (andbra)

Available from: 2017-01-18 Created: 2017-01-18 Last updated: 2017-11-29Bibliographically approved

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Tavakoli, SamanBauer, TobiasWeihed, PärElming, Sten-Åke

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